Blue Sky Vine, Blue Trumpet Vine

Thunbergia grandiflora

Acanthaceae

Blue Sky Vine, Blue Trumpet Vine
Blue Sky Vine, Blue Trumpet Vine
Blue Sky Vine, Blue Trumpet Vine
3" purplish-blue trumpet-like blooms with a white to light yellow throat are born in spring and summer. The Blue Sky Vine is a vigorous and hardy tropical vine that can be grown as a tuberous rooted, summer flowering perennial into zone 8B. In frost free areas this heat and sun loving vine is evergreen and can flower throughout the year. The large flowers attract bees and other pollinators.

Remember the Blue Sky Vine flowers on new growth so ample nutrients and sunlight are necessary for the best flowering. Well-established plants act like herbaceous perennials and if provided with an appropriate winter mulch can tolerate temperatures near 15oF for short periods. Like many root hardy tropical plants, the Blue Sky Vine is best planted in the ground as early in the season as possible to allow them to develop a strong root system before winter arrives.

 

Grows To: 15'-30'H

USDA Cold Hardiness Zones: 8B,9,10,11

Find your USDA Cold Hardiness Zone here

Outdoor Light: Full sun, Part sun, Part shade

Soil pH Range: Acidic, Mildly Acidic, Neutral, Mildly Alkaline, Alkaline

Soil Types & Moisture: Well-draining, moderately fertile to rich, average moist soils. Do not keep overly wet or soggy.

Native To / Cultivar Origin: N India

More information about this plant from universities, horticulturists, and plantsmen.

Container Size: 4.5 inch / 20 fl.oz. / 591 ml

Price: $ 10.99
Catalog ID# 1108
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